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Two numerical methods for solving a backward heat conduction problem. (English) Zbl 1102.65098
Two stable numerical methods for the backward heat conduction problem are presented. The methods seem not new. The choice of the space-step in the central finite-difference method is not justified theoretically. The paper seems an academical numerical exercise.

MSC:
65M32 Numerical methods for inverse problems for initial value and initial-boundary value problems involving PDEs
35K05 Heat equation
35R30 Inverse problems for PDEs
65M06 Finite difference methods for initial value and initial-boundary value problems involving PDEs
65M12 Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs
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